Europe bans two cosmetic ingredients you didn't know are hazardous

The European Chemicals Agency has announced that the chemicals Octamethylcyclotetrasiloxane (D4) and Decamethylcyclopentasiloxane  (D5) will be prohibited in cosmetics intended to be washed off after use, effective in January 2020.

Even the most attentive label readers could be forgiven for not having these two chemicals, known also under their common label ingredient names cyclomethicone (D4) and cyclopentasiloxane (D5), on their list of hazardous chemicals to avoid. And there is a good reason for that: they are not hazardous to humans according to scientific evaluations.



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